—I wonder ________ so many people are crazy about Gangnam Style.
—It's good for bodybuilding, and it brings people a lot of fun, you know.
A．how B．where
C．why D．that
Sometimes, ________ we show our gratitude for a person is reflected in the kind of food we serve him or her.
A．when B．whether
C．why D．how
It remains to be seen ________ this plan is practical enough to keep the project going.
A．whether B．how
C．where D．when
Helen has got ________ it takes to be a great tennis player. In other words, she has the potential to become world famous.
A．how B．what
C．when D．that
Israel was created as a homeland for homeless Jews after World War Ⅱ. However, the creation of Israel in ________ used to be Palestine left many Palestinians homeless.
A．what B．which
C．where D．that
After ________ seemed a hopeless wait, four coalminers trapped in the mine for 125 hours were finally rescued in Heilongjiang Province.
A．when B．that
C．it D．what
